Revert the previous test fix

The fail seems to be due to network error

Author: weltling

ext/sockets/tests/socket_import_stream-4-win.phpt

@@ -83,7 +83,7 @@ socket_set_block
 Warning: socket_set_block(): An operation was attempted on something that is not a socket.
  in %ssocket_import_stream-4-win.php on line %d
 
-Warning: socket_set_block(): unable to set blocking mode [%d]: %s
+Warning: socket_set_block(): unable to set blocking mode [%d]: An operation was attempted on something that is not a socket.
  in %ssocket_import_stream-4-win.php on line %d
 
 socket_get_option